New Adventures of Mary-Kate & Ashley #31: The Case of the Giggling Ghost


Book Description

Mary-Kate and Ashley are excited to attend their town's annual Halloween Carnival. Every year, the carnival's proceeds go to charity -- but this year, few people are riding the rides or playing the games. That's because there's a ghost at the carnival that's scaring all the kids away! The girls must figure out who or what the spectre is -- and how to get rid of it -- or the carnival doesn’t stand a ghost of a chance!




New Adventures of Mary-Kate & Ashley #32: The Case of the Candy Cane Clue


Book Description

Patty O'Leary invites all her friends, including Mary-Kate and Ashley, to a sleepover party in a toy store. When all the best toys start vanishing, the Trenchcoat Twins suspect there's an uninvited guest hiding in the store. Can they catch the thief or will Patty's party be a bust?




New Adventures of Mary-Kate & Ashley #46: The Case of the Unicorn Mystery


Book Description

The girls' friend Lindsay wants to enter her beautiful tulips in a flower contest, but someone-- or something-- ripped the flowers right off the stems. All clues point to a unicorn.




Case of the Surfing Secret


Book Description

The "trenchcoat twins" learn to surf while on vacation in Southern California, but when a friend seems to have a few too many wipeouts, the twins search for a surfboard saboteur.




New Adventures of Mary-Kate & Ashley #14 The Big Scare Mountain Mystery


Book Description

Ashley and I were on a ski vacation, and we couldn't wait to hit the slopes -- until we heard the scary legend of Ski Mountain. According to the story, a monster snatched a boy right off the ski slopes! The boy was never seen again. But it was just a story. Or that's what we thought. Until our ski lift stopped mysterious in midair... And the tree outside our cabin was ripped apart... And we found giant footprints in the snow. We were on the case. Was there really a Ski Mountain monster? We were about to find out -- one way or another!




The Case of the Summer Camp Caper


Book Description

While having the time of their lives at summer camp, Mary-Kate and Ashley are accused of a crime they didn't commit. Someone's been stealing other campers' care packages and blaming it on them! Can the Trenchcoat Twins prove their innocence and find the real thief before they're sent home?




The Case of the 202 Clues


Book Description

When there's a rash of missing basset hounds, the Olsen twins--along with their own crime-solving basset, Clue--help track down the missing pups. Original.




The Case of Camp Crooked Lake


Book Description

Mysterious happenings at Camp Crooked Lake have the twins solving another mystery.




The Case of the Flying Phantom


Book Description

Ashley and Mary-Kate are having a terrific time on a family vacation in Washington, D.C. They especially like spending time at the Smithsonian Air and Space Museum. But during their visit, the famous Wright Brothers' plane starts to tremble -- and spooky voices float down from the cockpit! Could there be a ghost in the machine? Mary-Kate and Ashley are on the case!